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Finding the Fourth Proportional to 301,619.93, 452,506.47 and 139,630.76

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Solution

The fourth proportional to 301,619.93, 452,506.47 and 139,630.76 is: 209,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,619.93 : 452,506.47 = 139,630.76 : x
  2. Step 2: Convert to fraction form
    301,619.93/452,506.47 = 139,630.76/x
  3. Step 3: Cross multiply
    301,619.93x = 452,506.47 × 139,630.76
  4. Step 4: Simplify right side
    301,619.93x = 63,183,821,221.77
  5. Step 5: Solve for x
    x = 63,183,821,221.77/301,619.93
  6. Step 6: Final answer
    x = 209,481.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.